Published March 9, 1992
| Version v1
Journal article
Collisionless absorption in sharp-edged plasmas
Creators
- 1. Max-Planck-Institut fuer Biophysikalische Chemie, D-3400 Goettingen-Nikolausberg (Germany)
- 2. The Blackett Laboratory, Imperial College, Prince Consort Road, London SW7 2BZ (United Kingdom)
Description
The absorption of subpicosecond, obliquely incident laser light is studied using a 11/2D particle-in-cell code. Density scale lengths from L/λ=0.01 to 2 and laser irradiances between Iλ2=1014 and 1018 W cm-2 μm2 are considered. ''Vacuum heating'' [F. Brunel, Phys. Rev. Lett. 59, 52 (1987)] dominates over resonance absorption for scale lengths L/λ<0.1, and is most efficient when vosc/c congruent 3.1(L/λ)2. Absorbed energy is carried mainly by a ''superhot'' electron population with Uhot∼(Iλ2)1/3--1/2
Additional details
Publishing Information
- Journal Title
- Physical Review Letters
- Journal Volume
- 68
- Journal Issue
- 10
- Series
- Phys. Rev. Lett.
- Journal Page Range
- 1535-1538
- ISSN
- 0031-9007
- CODEN
- PRLTA
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 23081631
- Subject category
- S70: PLASMA PHYSICS AND FUSION TECHNOLOGY;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- CLASSICAL MECHANICS; COLLISIONLESS PLASMA; ELECTRIC FIELDS; ELECTRON TEMPERATURE; ELECTRONS; HOT PLASMA; INCIDENCE ANGLE; LASER-PRODUCED PLASMA; LORENTZ TRANSFORMATIONS; MAGNETIC FIELDS; MONOCHROMATIC RADIATION; PHASE SPACE; PLASMA DENSITY; PULSES; RESONANCE ABSORPTION; SCALING LAWS; SIMULATION; SPACE DEPENDENCE; THEORETICAL DATA; TRANSFORMATIONS; VELOCITY
- Descriptors DEC
- ABSORPTION; DATA; ELECTROMAGNETIC RADIATION; ELEMENTARY PARTICLES; FERMIONS; INFORMATION; LEPTONS; MATHEMATICAL SPACE; MECHANICS; NUMERICAL DATA; PLASMA; RADIATIONS; SORPTION; SPACE